<?php
// $Id: StringValue.class.php 73 2007-02-12 03:45:43Z tswicegood $
/**
 * This file contains {@link IntValue} which is part of the PHP Content 
 * Repository (phpCR), a derivative of the Java Content Repository JSR-170, and 
 * is licensed under the Apache License, Version 2.0.
 *
 * This file is based on the code created for
 * {@link http://www.jcp.org/en/jsr/detail?id=170 JSR-170}
 *
 * @author Travis Swicegood <travis@domain51.net>
 * @copyright PHP Code Copyright &copy; 2004-2005, Domain51, United States
 * @copyright Original Java and Documentation 
 *  Copyright &copy; 2002-2004, Day Management AG, Switerland
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, 
 *      Version 2.0
 * @package phpContentRepository
 */

/**
 * Load the {@link phpCR} library file(s)
 */ 
require_once(dirname(__FILE__) . '/phpCR.library.php');
phpCR::loadAbstract('BaseValue');
phpCR::loadClass('PropertyType');


/**
 * A {@link StringValue} provides an implementation
 * of the {@link Value} interface representing a string value.
 *
 * @author PHP - Travis Swicegood <travis@domain51.net>
 * @copyright Copyright &copy; 2004-2005, Domain51
 * @package phpContentRepository
 */
class StringValue extends BaseValue 
{
   /**
    * Defines the {@link PropertType} of this class.
    *
    * @var int
    * @see PropertyType::STRING
    */
    const TYPE = PropertyType::STRING;
    
    
   /**
    * Constructs a {@link StringValue} object representing a string.
    *
    * @param text the string this {@link StringValue} should represent
    */
    public function __construct($text) 
    {
        assert('is_string($text)');
        parent::__construct(self::TYPE);
        
        $this->data = $text;
    }
    
    
   /**
    * Indicates whether some other object is "equal to" this one.
    *
    * The result is TRUE if and only if the argument is not
    * NULL and is a {@link StringValue} object that
    * represents the same value as this object.
    *
    * @param mixed
    * @return bool
    */
    public function equals($obj)
    {
        if ($this == $obj) {
            return true;
        }
        
        if ($obj instanceof StringValue) {
            $objData = $obj->getData();
            if ($this->data == $objData && !is_null($objData)) { 
                return true;
            }
        }
        return false;
    }
}

